1UAM

Crystal structure of tRNA(m1G37)methyltransferase: Insight into tRNA recognition

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	tRNA (Guanine-N(1)-)-methyltransferase	polymer	274	30821.2	1	UniProt (P43912) Pfam (PF01746) In PDB	Haemophilus influenzae	tRNA(m1G37)methyltransferase
2	A	PHOSPHATE ION	non-polymer		95.0	1	Chemie (PO4)
3	A	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	1	Chemie (SAH)
4		water	water		18.0	103	Chemie (HOH)

Sequence modifications

A: 1 - 246 (UniProt: P43912)

PDB	External Database	Details
Met -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag
Leu 247	-	expression tag
Glu 248	-	expression tag
His 249	-	expression tag
His 250	-	expression tag
His 251	-	expression tag
His 252	-	expression tag
His 253	-	expression tag
His 254	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	30821.2
Non-Polymers*	Number of molecules	2
	Total formula weight	479.4
All*	Total formula weight	31300.5

*Water molecules are not included.